Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/var-dumper ^8.0.4 -> satisfiable by symfony/var-dumper[v8.0.4, 8.0.x-dev, 8.1.x-dev]. - symfony/var-dumper[v8.0.4, ..., 8.1.x-dev] require php >=8.4 -> your php version (8.3.29) does not satisfy that requirement. Problem 2 - Root composer.json requires illuminate/routing ^12.47 -> satisfiable by illuminate/routing[v12.47.0, v12.48.0, v12.48.1, 12.x-dev]. - illuminate/routing[v12.47.0, ..., 12.x-dev] require symfony/http-kernel ^7.2.0 -> satisfiable by symfony/http-kernel[v7.2.0-BETA1, ..., 7.4.x-dev]. - symfony/error-handler[v6.4.0-BETA1, ..., 6.4.x-dev] require symfony/var-dumper ^5.4|^6.0|^7.0 -> found symfony/var-dumper[v5.4.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev, v7.0.0-BETA1, ..., 7.4.x-dev] but it conflicts with your root composer.json require (^8.0.4). - symfony/error-handler[v7.0.0-BETA1, ..., 7.3.x-dev] require symfony/var-dumper ^6.4|^7.0 -> found symfony/var-dumper[v6.4.0-BETA1, ..., 6.4.x-dev, v7.0.0-BETA1, ..., 7.4.x-dev] but it conflicts with your root composer.json require (^8.0.4). - symfony/error-handler[v7.4.0-BETA1, ..., 7.4.x-dev] require symfony/var-dumper ^6.4|^7.0|^8.0 -> satisfiable by symfony/var-dumper[v8.0.4, 8.0.x-dev, 8.1.x-dev]. - symfony/error-handler[v8.0.0-BETA1, ..., 8.1.x-dev] require php >=8.4 -> your php version (8.3.29) does not satisfy that requirement. - symfony/var-dumper[v8.0.4, ..., 8.1.x-dev] require php >=8.4 -> your php version (8.3.29) does not satisfy that requirement. - symfony/http-kernel[v7.2.0-BETA1, ..., 7.3.x-dev] require symfony/error-handler ^6.4|^7.0 -> satisfiable by symfony/error-handler[v6.4.0-BETA1, ..., 6.4.x-dev, v7.0.0-BETA1, ..., 7.4.x-dev]. - symfony/http-kernel[v7.4.0-BETA1, ..., 7.4.x-dev] require symfony/error-handler ^6.4|^7.0|^8.0 -> satisfiable by symfony/error-handler[v6.4.0-BETA1, ..., 6.4.x-dev, v7.0.0-BETA1, ..., 7.4.x-dev, v8.0.0-BETA1, ..., 8.1.x-dev].